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  • Durable yet soft polyester/spandex blend fabric wicks moisture and dries quickly
  • Mineral-based LAVA™ finish keeps fabric odor-free
  • Flatseam construction, low-profile waistband and crotch gusset keep youngsters comfortable as they move
  • UPF 50 sun protection
  • Fly opening
  • Fitted


View all REI Co-op Kids' Long Underwear Bottoms

REI membership


Best Use Multisport
Fabric Merino Wool
Sun-Protective Fabric Yes
UPF Rating 50
Moisture Wicking Yes
Quick Drying Yes
Underwear Weight Midweight
Gender Kids'

Size chart

Rated 3 out of 5 by from Scratchy Picky little kid says. "Warm for skiing. Nice color. " washes well.
Date published: 2017-03-28
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